A point on the periphery of a rotating disc has its acceleration vector making angle of `30^(@)` with the velocity . The ratio `(a_(c)//a_(t) (a_(c)` "is centripetal acceleration and `a_(1)` is tangential acceleration ") equals

Options

A. sin `30^(@)`
B. cos `30^(@)`
C. tan `30^(@)`
D. None of these

Answer

C